House of the Dragon Season 3 Cast – Story, Release Date & Trailer: House of the Dragon Season 3 is a fantasy drama series from HBO. The new season continues the Dance of the Dragons as the war between Team Black and Team Green becomes even bigger. Season 3 begins with the deadly Battle of the Gullet and brings dragons, battles, and major character deaths.
Season 3 of House of the Dragon wastes no time delivering bloodshed. The premiere episode, streaming now on HBO Max, adapts the Battle of the Gullet from George R.R. Martin’s Fire & Blood. Dragons, sea battles, and shocking deaths set the tone for a brutal season. Here are the major character deaths from Episode 1.
In this post, you will find out the complete cast & characters details, story, trailer, release information in simple word.
House of the Dragon Season 3 Cast & Characters Details
Here is the cast & Characters list of House of the Dragon Season 3.
| Actor / Actress | Role / Character |
|---|---|
| Emma D’Arcy | Rhaenyra Targaryen |
| Matt Smith | Daemon Targaryen |
| Olivia Cooke | Alicent Hightower |
| Tom Glynn-Carney | King Aegon II Targaryen |
| Ewan Mitchell | Aemond Targaryen |
| Harry Collett | Jacaerys Velaryon |
| Steve Toussaint | Corlys Velaryon |
| Fabien Frankel | Ser Criston Cole |
| Phia Saban | Helaena Targaryen |
| Matthew Needham | Larys Strong |
| Sonoya Mizuno | Mysaria |
| Bethany Antonia | Baela Targaryen |
| Phoebe Campbell | Rhaena Targaryen |
| Rhys Ifans | Otto Hightower |
| Kieran Bew | Hugh Hammer |
| Tom Bennett | Ulf White |
| Abubakar Salim | Alyn of Hull |
| Clinton Liberty | Addam of Hull |
| Freddie Fox | Gwayne Hightower |
| James Norton | Ormund Hightower |
| Gayle Rankin | Alys Rivers |
| Abigail Thorn | Sharako Lohar |
Returning Characters
- Rhaenyra Targaryen — Emma D’Arcy
- Firstborn heir of King Viserys. Reunited with Daemon by the end of Season 2, now leading the “Blacks” into the Dance of Dragons. Secretly negotiates with Alicent to take King’s Landing, insisting Aegon must die to secure her claim.
- Daemon Targaryen — Matt Smith
- Estranged from Rhaenyra after the “Blood & Cheese” tragedy, spends Season 2 at Harrenhal. Prophetic visions convince him to bend the knee to Rhaenyra and support her bid for the throne.
- Alicent Hightower — Olivia Cooke
- Dowager Queen, mother of Aegon II. In Season 2, secretly meets Rhaenyra to broker peace, offering King’s Landing in exchange for her family’s safety. Reluctantly agrees Aegon must die, unaware he has fled the city.
Targaryens & Velaryons
- Aegon II Targaryen — Tom Glynn‑Carney
- Reigning king, burned and crippled after Rook’s Rest. Escaped King’s Landing with Larys Strong, hiding in Essos.
- Aemond Targaryen — Ewan Mitchell
- One‑eyed prince, cruel and ambitious. Took the throne as protector of the realm after Aegon’s fall.
- Jacaerys Velaryon — Harry Collett
- Rhaenyra’s eldest surviving son, dragonrider of Vermax. Loyal to his mother’s Black forces.
- Corlys Velaryon — Steve Toussaint
- “Sea Snake,” now Hand of the Queen. Leads Velaryon blockade, bonding with bastard sons Alyn and Addam.
- Baela Targaryen — Bethany Antonia
- Daemon’s eldest daughter, rides Moondancer. Betrothed to Jacaerys.
- Rhaena Targaryen — Phoebe Campbell
- Younger sister to Baela, guardian of Rhaenyra’s children. Encounters Sheepstealer in the Vale.
Hightowers & Allies
- Alicent Hightower — Olivia Cooke
- Dowager Queen, torn between protecting her children and negotiating peace with Rhaenyra.
- Criston Cole — Fabien Frankel
- Hand of the King to Aegon, secretly involved with Alicent. Marches on Harrenhal with Gwayne Hightower.
- Helaena Targaryen — Phia Saban
- Sister‑wife to Aegon, plagued by prophetic visions. Foretold her son’s murder and Aemond’s fate.
- Larys Strong — Matthew Needham
- Manipulative spymaster, escaped with Aegon to Essos. Exploits Alicent for influence.
- Otto Hightower — Rhys Ifans
- Former Hand of the King, supporter of the Greens. Captured by Season 2’s end.
- Gwayne Hightower — Freddie Fox
- Alicent’s brother, marches with Criston Cole. Suspicious of his sister’s affair.
- Ormund Hightower — James Norton
- Otto’s nephew, head of House Hightower. Guardian of Daeron Targaryen, rallies forces from Oldtown.
Dragonseeds & Others
- Hugh Hammer — Kieran Bew
- Bastard dragonrider of Vermithor, fighting for Rhaenyra.
- Ulf White — Tom Bennett
- Tavern‑goer turned dragonseed, rides Silverwing.
- Alyn of Hull — Abubakar Salim
- Corlys’ bastard son, sailor in Velaryon fleet.
- Addam of Hull — Clinton Liberty
- Alyn’s brother, dragonseed riding Seasmoke.
- Mysaria — Sonoya Mizuno
- “White Worm,” spymaster. Builds intimate alliance with Rhaenyra at Dragonstone.
- Alys Rivers — Gayle Rankin
- Mysterious witch‑like figure at Harrenhal, guides Daemon’s visions.
- Sharako Lohar — Abigail Thorn
- Eccentric Triarchy naval leader, joins fleet against Corlys.
House of the Dragon Season 3 Story
House of the Dragon Season 3 continues the Dance of the Dragons. The war between Team Black and Team Green grows more dangerous. Both sides prepare for full-scale battles across Westeros. Jefferson Hall’s Tyland meets his end when Admiral Lohar hurls him off her ship during the battle. His downfall feels inevitable after their Season 2 clash.
Jason, Tyland’s twin and head of Casterly Rock, is killed off‑screen. His severed head is later presented to Daemon — a gruesome reminder of the war’s brutality. Rhaenyra’s eldest son rides into battle on Vermax. Admiral Lohar’s scorpion bolt fatally wounds the dragon. Despite Baela’s attempt to help, Jace is struck down by arrows after surfacing from the wreck, ending his tragic arc.
House of the Dragon Season 3 Release Date
House of the Dragon Season 3 premiered on HBO and HBO Max on 21 June 2026. The season has 8 episodes, with new episodes releasing every Sunday.
House of the Dragon Season 3 Trailer
“Watch the trailer for House of the Dragon Season 3 here.”
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FAQs: House of the Dragon Season 3
Q1: Is House of the Dragon Season 3 confirmed?
Yes. HBO officially confirmed Season 3, which premiered on June 21, 2026 on HBO and HBO Max.
Q2: Who are the main cast members in Season 3?
House of the Dragon Season 3 main cast is in icludes:
- Emma D’Arcy as Rhaenyra Targaryen
- Matt Smith as Daemon Targaryen
- Olivia Cooke as Alicent Hightower
- Tom Glynn‑Carney as King Aegon II Targaryen
- Ewan Mitchell as Aemond Targaryen
Q3: What is the plot of House of the Dragon Season 3?
Season 3 continues the Dance of the Dragons, escalating the war between Team Black and Team Green.
Q4: When did House of the Dragon Season 3 release?
House of the Dragon Season 3 released on June 21, 2026 on HBO and HBO Max. This seasson are total 8 episodes and they release every sunday.
